Warmoth fret size options on replacement necks

Fret slotting runout - Shapeoko fret slot width 020 to 024 and sizes between the common slot width is 022, and i have tools that will increase or decrease the fret tang, for a custom fit to fret slot saw The tang has small bumps or barbs on its sides The traditional way of affixing the frets to the fretboard is to cut the slots to the width of the tang without

fret slot depth fret slot width So what is the best tang thickness for the frets I was looking at purchasing fret wire that comes in three different tang widths